/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  2.1.x                                 |
|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    object      fvSolution;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

solvers
{
    alpha1
    {
        maxUnboundedness 1e-5;
        CoCoeff          2;
        maxIter          5;
        nLimiterIter     2;

        solver           PBiCG;
        preconditioner   DILU;
        tolerance        1e-12;
        relTol           0.1;
    };

    U
    {
        solver           PBiCG;
        preconditioner   DILU;
        tolerance        1e-06;
        relTol           0;
    };

    p_rgh
    {
        solver           GAMG;
        tolerance        1e-8;
        relTol           0.1;

        smoother         DICGaussSeidel;
        nPreSweeps       0;
        nPostSweeps      2;

        cacheAgglomeration true;

        nCellsInCoarsestLevel 10;
        agglomerator     faceAreaPair;
        mergeLevels      1;

        maxIter          50;
    };

    pcorr
    {
        $p_rgh;
        relTol           0;
    };

    p_rghFinal
    {
        solver            PCG;
        preconditioner
        {
            preconditioner  GAMG;

            tolerance        1e-6;
            relTol           0;

            nVcycles         2;

            smoother         DICGaussSeidel;
            nPreSweeps       0;
            nPostSweeps      2;
            nFinestSweeps    2;

            cacheAgglomeration false;
            nCellsInCoarsestLevel 10;
            agglomerator     faceAreaPair;
            mergeLevels      1;
        };
        tolerance        1e-7;
        relTol           0;
        maxIter          50;
    };
}

PIMPLE
{
    momentumPredictor          no;
    nOuterCorrectors           1;
    nCorrectors                2;
    nNonOrthogonalCorrectors   1;

    cAlpha                     0;
    nAlphaCorr                 1;
    nAlphaSubCycles            1;
}


relaxationFactors
{
    fields
    {
    }
    equations
    {
        "U.*"                      1;
    }
}


// ************************************************************************* //
